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In Heisenberg's uncertainty equation Δ x ×Δ p ≥ h/ 4 Π ; stands for:
(1) Uncertainty in energy
(2) Uncertainty in velocity
(3) Uncertainty in momentum
(4) Uncertainty in mass
Ans: Uncertainty in momentum
Mining of petroleum and Petroleum refining (1) Mining of petroleum: Petroleum deposits takes place at varying depth at different places ranging from 500 to 15000 feet. This is
The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton
uses
first two groups are metal but why hydrogen is placed in first group
Why lead and mercury are in 1st and 2nd group of basic radicals
Physical properties Alkyl Halides (i) CH 3 F,CH 3 Cl, CH 3 Br and C 2 H 5 Cl are gases at room temperature. The alkyl halides up to be colourless liquids whereas higher members
Q. Differentiate the thermoplastic and thermo sets. OR Write note on thermoplastic and thermosetting plastic resins. Ans. T
Calculate the standard potentials of the Ag 5 and Ag 10 nanoclusters. Define the change in standard potential of silver nanoclusters with particle sizes ranging from very sma
wht is the difference between molar mass & molecular mass?
A substance that has a molecular structure built up chiefly or completely from a large number of similar units bonded together.
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